// Copyright 2011 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

traceur.define('codegeneration.generator', function() {
  'use strict';

  var State = traceur.codegeneration.generator.State;

  /**
   * Allocates unique state identifiers.
   * @constructor
   */
  function StateAllocator() {
  }

  StateAllocator.prototype = {
    nextState_: State.INVALID_STATE + 1,

    /** @return {number} */
    allocateState: function() {
      return this.nextState_++;
    }
  };

  // Export
  return {
    StateAllocator: StateAllocator
  };
});
